From: David Howells <dhowells@redhat.com>
To: Bernd Schmidt <bernds_cb1@t-online.de>
Cc: dhowells@redhat.com, Mike Frysinger <vapier@gentoo.org>,
linux-kernel@vger.kernel.org,
uclinux-dist-devel@blackfin.uclinux.org,
Bryan Wu <cooloney@kernel.org>
Subject: Re: [PATCH v2] NOMMU: add support for Memory Protection Units (MPU)
Date: Wed, 15 Jul 2009 11:31:40 +0100 [thread overview]
Message-ID: <12331.1247653900@redhat.com> (raw)
In-Reply-To: <4A5CFFD8.7020106@t-online.de>
Bernd Schmidt <bernds_cb1@t-online.de> wrote:
> No page table, just three bitmaps (r/w/x), with one bit per page, per mm.
That sounds a bit inefficient as you have to make three accesses per page. I
suppose it depends on how your MPU works.
David
next prev parent reply other threads:[~2009-07-15 10:34 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-14 14:22 [PATCH] NOMMU: add support for Memory Protection Units (MPU) Mike Frysinger
2009-07-14 16:14 ` Johannes Weiner
2009-07-14 16:19 ` Mike Frysinger
2009-07-14 17:14 ` [PATCH v2] " Mike Frysinger
2009-07-14 17:22 ` David Howells
2009-07-14 21:59 ` Bernd Schmidt
2009-07-15 10:31 ` David Howells [this message]
2009-07-15 11:18 ` [Uclinux-dist-devel] " Mike Frysinger
2009-07-15 10:37 ` David Howells
2009-07-15 11:12 ` [Uclinux-dist-devel] " Mike Frysinger
2009-07-15 11:45 ` David Howells
2009-07-15 11:55 ` Mike Frysinger
2009-07-15 12:25 ` David Howells
2009-07-15 12:52 ` Mike Frysinger
2009-07-15 9:24 ` Paul Mundt
2009-09-14 3:52 ` Mike Frysinger
2009-09-16 10:09 ` David Howells
2009-09-16 13:57 ` [PATCH] " Mike Frysinger
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